from flask import redirect, request, jsonify, current_app, session,abort
from flask import render_template, g

from info import db, constants
from info.models import Category, News, User
from info.modules.profile import profile_blu
from info.utils.common import user_login_data
from info.utils.image_storage import storage
from info.utils.response_code import RET


@profile_blu.route('/other_news_list')
@user_login_data
def other_news_list():
    """返回指定用户的发布的新闻"""

    # 1. 取参数
    other_id = request.args.get("user_id")
    page = request.args.get("p", 1)

    # 2. 判断参数
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    try:
        other = User.query.get(other_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    if not other:
        return jsonify(errno=RET.NODATA, errmsg="当前用户不存在")

    try:
        paginate = News.query.filter(News.user_id==other_id,News.status==0).paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        # 获取当前页数据
        news_li = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    news_dict_li = []
    for news_item in news_li:
        news_dict_li.append(news_item.to_dict())

    data = {
        "news_list": news_dict_li,
        "total_page": total_page,
        "current_page": current_page
    }
    return jsonify(errno=RET.OK, errmsg="OK", data=data)

@profile_blu.route('/other_info')
@user_login_data
def other_info():

    user = g.user

    # 获取传过来的id
    other_id = request.args.get("user_id")

    if not other_id:
        abort(404)

    other = None
    try:
        other = User.query.get(other_id)
    except Exception as e:
        current_app.logger.error(e)

    if not other:
        abort(404)

    is_followed = False

    if other and user:
        if other in user.followed:
            is_followed = True


    data={
        "is_followed":is_followed,
        "user":g.user.to_dict() if g.user else None,
        "other_info":other.to_dict()
    }


    return render_template('news/other.html',data = data)


@profile_blu.route('/user_follow')
@user_login_data
def user_follow():

    #获取页数
    p = request.args.get("p",1)

    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    #获取当前登录用户
    user = g.user

    follows = []
    current_page = 1
    total_page = 1

    try:
        paginate = user.followed.paginate(p,constants.USER_FOLLOWED_MAX_COUNT,False)
        #获取当前页面
        current_page = paginate.page
        #获取总页面
        total_page = paginate.pages
        #获取数据列表
        follows = paginate.items

    except Exception as e:
        current_app.logger.error(e)

    user_dict_li = []
    for follow_user in follows:
        user_dict_li.append(follow_user.to_dict())

    data = {
        "users":user_dict_li,
        "current_page":current_page,
        "total_page":total_page
    }

    return render_template('news/user_follow.html',data=data)


@profile_blu.route('/new_list')
@user_login_data
def new_list():

    # 获取参数
    page = request.args.get("p",1)

    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1


    user = g.user
    new_list = []
    current_page = 1
    total_page= 1

    try:
        paginate = News.query.filter(News.user_id == user.id).paginate(page,constants.USER_COLLECTION_MAX_NEWS,False)
        new_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages

    except Exception as e:
        current_app.logger.error(e)

    new_list_dict= []
    for news in new_list:
        new_list_dict.append(news.to_review_dict())

    data = {
        "current_page": current_page,
        "total_page": total_page,
        "new_list":new_list_dict
    }
    return render_template("news/user_news_list.html",data = data)


@profile_blu.route('/news_release',methods = ["GET","POST"])
@user_login_data
def news_release():

    if request.method == "GET":

        categories = []
        try:
            # 类别
            categories = Category.query.all()

        except Exception as e:
            current_app.logger.error(e)

        category_dic_li = []
        for category in categories:
            category_dic_li.append(category.to_dict())

        return render_template('news/user_news_release.html',data = {"categories":category_dic_li})


    #1.获取要提交的数据
    # 标题
    title = request.form.get("title")
    # 来源
    source = "个人发布"
    # 摘要
    digest = request.form.get("digest")
    #新闻内容
    content = request.form.get("content")
    #索引图片
    index_image = request.files.get("index_image")
    #分类ID
    category_id = request.form.get("category_id")

    #2.1 检验参数
    if not all([title,source,digest,content,index_image,category_id]):
        return jsonify(errno = RET.PARAMERR , errmsg = "参数错误")

    #2.2
    try:
        category_id = int(category_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno = RET.PARAMERR , errmsg = "参数错误")

    #3.取到图片,将图片上传到七牛云
    try:
        index_image_data = index_image.read()
        key = storage(index_image_data)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno = RET.PARAMERR , errmsg = "参数错误")


    news = News()
    news.title = title
    news.digest = digest
    news.source = source
    news.content = content
    news.index_image_url = constants.QINIU_DOMIN_PREFIX+key
    news.category_id = category_id

    news.user_id = g.user.id

    #执行待审核状态
    news.status = 1

    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno = RET.DBERR , errmsg = "数据保存失败")

    return jsonify(errno = RET.OK , errmsg = "OK")

@profile_blu.route('/collection',methods = ["GET","POST"])
@user_login_data
def user_collection():

    # 获取参数
    page = request.args.get("p",1)

    # 判断参数
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    # 查询用户指定页面收藏的新闻
    user = g.user

    new_list = []
    current_page = 1
    total_page = 1

    try:
        paginate = user.collection_news.paginate(page,constants.USER_COLLECTION_MAX_NEWS,False)
        current_page = paginate.page
        total_page = paginate.pages
        new_list = paginate.items

    except Exception as e:
        current_app.logger.error(e)

    # 前端不能接收对象 ,必须经过字典转换传给前端json 字符串
    new_dict_li = []
    for news in new_list:
        new_dict_li.append(news.to_basic_dict())

    data = {
        "current_page" : current_page,
        "total_page" : total_page,
        "collection" : new_dict_li
    }

    return render_template('news/user_collection.html',data = data)


# 密码
@profile_blu.route('/pass_info',methods = ["GET","POST"])
@user_login_data
def pass_info():

    if request.method == "GET":
        return render_template("news/user_pass_info.html")

    # 1.获取参数
    old_password = request.json.get("old_password")
    new_password = request.json.get("new_password")

    #2.检验参数
    if not all([old_password,new_password]):
        return jsonify(errno = RET.PARAMERR , errmsg = "参数错误")

    #3.判断密码是否正确
    user = g.user
    if not user.check_passowrd(old_password):
        return jsonify(errno = RET.PWDERR , errmsg = "密码不正确")

    user.password = new_password

    return jsonify(errno = RET.OK , errmsg = "保存成功")




@profile_blu.route('/pic_info',methods = ["GET","POST"])
@user_login_data
def pic_info():

    user = g.user
    if request.method == "GET":
        return render_template('news/user_pic_info.html',data={"user":user.to_dict()})

    #     如果是post 上传图片
    #取到图片
    try:
        avatar = request.files.get("avatar").read()
    except Exception as e:
        current_app.logger.error(e)
        jsonify(errno = RET.PARAMERR , errmsg = "参数错误")

    #上传图片
    try:
        # 使用自己封装的storage方法进行图片上传
        key = storage(avatar)
    except Exception as e:
        current_app.logger.error(e)
        jsonify(errno = RET.THIRDERR , errmsg = "上传头像失败")


    # #保存头像
    user.avatar_url = key
    return  jsonify(errno = RET.OK , errmsg = "OK" ,data={"avatar_url":constants.QINIU_DOMIN_PREFIX+key})


@profile_blu.route('/base_info',methods=["GET","POST"])
@user_login_data
def base_info():

    # 不同的请求方式返回不同
    if request.method == "GET":
        return render_template('news/user_base_info.html',data = {"user":g.user.to_dict()})

    #代表修改用户信息

    # data_dict = request.json
    # nick_name = data_dict.get("nick_name")
    # gender = data_dict.get("gender")
    # signature = data_dict.get("signature")

    nick_name = request.json.get("nick_name")
    gender = request.json.get("gender")
    signature = request.json.get("signature")

    if not all ([nick_name,gender,signature]):
        return jsonify(errno = RET.PARAMERR , errmsg = "参数错误")

    if gender not in (['MAN', 'WOMAN']):
        return jsonify(errno = RET.PARAMERR , errmsg = "参数错误")

    user = g.user
 #     更新并保存数据
    user.nick_name = nick_name
    user.gender = gender
    user.signature = signature

    # 返回响应
    return jsonify(errno = RET.OK , errmsg = "更新成功")


@profile_blu.route('/info')
@user_login_data
def user_info():

    user = g.user

    if not user:
        # 没有登录跳转到首页
        return redirect('/')

    data={"user":user.to_dict()}
    return render_template('news/user.html',data=data)

